The accident happened near Necton, close to the North Pickenham Road junction, at about 8.45am.

An ambulance service spokesman said two people were hurt, one in a car and one in a van.

One person was taken to the Queen Elizabeth Hospital in King’s Lynn with a back injury and one was taken to the Norfolk and Norwich University Hospital with a chest injury. Neither injury was considered to be life-threatening.

The accident caused delays in both directions, although all lanes have since been re-opened

A fire appliance from Dereham also attended, making the scene safe and assisting the ambulance crews with casualty care.